Add a --lock flag to cabal freeze to promote a freeze file to a lock file
#12768
| Job | Run time |
|---|---|
| 14m 47s | |
| 10m 45s | |
| 11m 27s | |
| 11m 4s | |
| 11m 11s | |
| 12m 3s | |
| 1s | |
| 1h 11m 18s |